The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2017
Filed:
Apr. 27, 2012
Melanie Wiedemeier, Dormagen, DE;
Hermann-josef Weidenhaupt, Pulheim, DE;
Ulrich Feldhues, Bergisch-Gladbach, DE;
Irene Moll, Neuss, DE;
Melanie Wiedemeier, Dormagen, DE;
Hermann-Josef Weidenhaupt, Pulheim, DE;
Ulrich Feldhues, Bergisch-Gladbach, DE;
Irene Moll, Neuss, DE;
LANXESS Deutschland GmbH, Cologne, DE;
Abstract
A silica-containing rubber mixture includes at least one rubber, a sulphur-containing alkoxysilane, a crosslinking agent, a filler, and optionally further rubber auxiliaries, and the mixture also includes from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a silicon-free polysulphide additive of the formula (I)A-S—(S)—S—Y—S—(S)—S-A  (I)where x is 0, 1 or 2, Y is an optionally substituted or heteroatom-containing aliphatic, cycloaliphatic or aromatic group, and A may include hydroxy, carboxy, or carboxyphenyl groups.